Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XyRCY-0008UJ-DO for pgsql-hackers@arkaria.postgresql.org; Tue, 09 Dec 2014 20:16:06 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1XyRCX-0006If-Ct for pgsql-hackers@arkaria.postgresql.org; Tue, 09 Dec 2014 20:16:05 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1XyRCV-0006IX-34 for pgsql-hackers@postgresql.org; Tue, 09 Dec 2014 20:16:03 +0000 Received: from smtp-out1.gransy.com ([77.78.126.51]) by makus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XyRCR-0007AU-9v for pgsql-hackers@postgresql.org; Tue, 09 Dec 2014 20:16:01 +0000 Received: from smtp-out.gransy.com (localhost [127.0.0.1]) by smtp-out1.gransy.com (Postfix) with ESMTP id 34F6A360051 for ; Tue, 9 Dec 2014 21:15:56 +0100 (CET) Received: from smtp.gransy.com (smtp.simplia.cz [77.78.126.20]) by smtp-out1.gransy.com (Postfix) with ESMTP id E71AF360005 for ; Tue, 9 Dec 2014 21:15:55 +0100 (CET) Received: from [192.168.1.163] (ip-78-45-139-138.net.upcbroadband.cz [78.45.139.138]) (Authenticated sender: tv@fuzzy.cz) by smtp.gransy.com (Postfix) with ESMTPSA id 83A7419A0207 for ; Tue, 9 Dec 2014 21:15:50 +0100 (CET) Message-ID: <5487587A.1080401@fuzzy.cz> Date: Tue, 09 Dec 2014 21:15:54 +0100 From: Tomas Vondra User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: pgsql-hackers@postgresql.org Subject: Re: WIP: multivariate statistics / proof of concept References: <8106e11197849725375a933e1cc1409f.squirrel@2.emaily.eu> <747665527.663493.1416073781449.JavaMail.yahoo@jws100192.mail.ne1.yahoo.com> <54679D09.3010203@fuzzy.cz> In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org On 8.12.2014 02:01, Michael Paquier wrote: > On Sun, Nov 16, 2014 at 3:35 AM, Tomas Vondra wrote: >> Thanks for the link. I've been looking for a good dataset with such >> data, and this one is by far the best one. >> >> The current version of the patch supports only data types passed by >> value (i.e. no varlena types - text, ), which means it's impossible to >> build multivariate stats on some of the interesting columns (state, >> city, ...). >> >> I guess it's time to start working on removing this limitation. > Tomas, what's your status on this patch? Are you planning to make it > more complicated than it is? For now I have switched it to a "Needs > Review" state because even your first version did not get advanced > review (that's quite big btw). I guess that we should switch it to the > next CF. Hello Michael, I agree with moving the patch to the next CF - I'm working on the patch, but I will take a bit more time to submit a new version and I can do that in the next CF. regards Tomas -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers